CN209215442U - Interconnecting device and adapting system - Google Patents
Interconnecting device and adapting system Download PDFInfo
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- CN209215442U CN209215442U CN201822132791.XU CN201822132791U CN209215442U CN 209215442 U CN209215442 U CN 209215442U CN 201822132791 U CN201822132791 U CN 201822132791U CN 209215442 U CN209215442 U CN 209215442U
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Abstract
The application provides a kind of interconnecting device and adapting system, and interconnecting device includes machine cage open at one end and is set to inside machine cage and towards the bottom plate of opening；Multiple groups bus is provided on bottom plate, multiple groups bus includes analog signal bus, digital signal bus and power bus；Multiple the first plug-in units for being electrically connected with interface board, opening of first plug-in unit towards machine cage are additionally provided on bottom plate；First plug-in unit includes multiple slots, and each slot in multiple slots is electrically connected with any one in analog signal bus, digital signal bus and power bus.The distinct interface plate of insertion machine cage is interconnected by the bus being arranged on bottom plate, shared bus signals, so as to select different test platform pinboards to form adapting system according to different actual demands, so that test platform is carried out more diversified test, and the connection between system under test (SUT) and test platform can be made more convenient.
Description
Technical field
This application involves signal testing technical fields, in particular to a kind of interconnecting device and adapting system.
Background technique
In signal testing field, often by based on PXI (PCI eXtensions for Instrumentation, towards
The PCI of instrument system extends) the modularization automatically testing platform of technology tests system under test (SUT).The function one of PXI module
As it is relatively simple, the I/O interface of each PXI module or the quantity of coaxial cable interface are fixed generic configurations, and are used
Dedicated cable, this cause more during the test can general signal be difficult to it is shared.And in practical applications,
The various types of signal and power supply of some special systems under test (SUT) may be accessed using same cable interface, this to need to pass through PXI
When test platform tests system under test (SUT), it can not be directly connected to by being adapted to cable, the company of system under test (SUT) and test platform
It is extremely complex to connect operation.
Utility model content
In order at least overcome above-mentioned deficiency in the prior art, the application's is designed to provide a kind of interconnecting device, institute
Interconnecting device is stated to include machine cage open at one end and be set to inside the machine cage and towards the bottom plate of the opening；
Be provided with multiple groups bus on the bottom plate, the multiple groups bus include analog signal bus, digital signal bus and
Power bus；
It is additionally provided with multiple the first plug-in units for being electrically connected with test platform pinboard on the bottom plate, described
Opening of one plug-in unit towards the machine cage；First plug-in unit includes multiple slots, every in the multiple slot
A slot is electrically connected with any one in the analog signal bus, digital signal bus and power bus.
Optionally, in above-mentioned apparatus, the distance between the power bus and the analog signal bus are greater than described
The distance between digital signal bus and the analog signal bus.
Optionally, in above-mentioned apparatus, the power bus includes that the different multiple integrated drive generators of voltage class are total
Line, in the multiple integrated drive generator bus, between the higher integrated drive generator bus of voltage class and the analog signal bus
Distance is greater than the distance between the lower integrated drive generator bus of voltage class and described analog signal bus.
Optionally, in above-mentioned apparatus, the multiple groups bus further includes that clock sync signal bus, host computer communication are total
Line, the digital signal bus, clock sync signal bus, host computer communication bus are set to the analog signal bus and institute
It states between power bus.
Optionally, in above-mentioned apparatus, the analog signal bus is multiple groups, is respectively used to transmission different frequency simulation letter
Number；It is higher that the distance between the lower analog signal bus of frequency transmission signal and the power bus are greater than frequency transmission signal
Analog signal bus and the distance between power bus.
Optionally, in above-mentioned apparatus, shielding construction is covered on the analog signal bus.
Optionally, in above-mentioned apparatus, the multiple slots connecting with the analog signal bus are covered with shielded layer.
Optionally, in above-mentioned apparatus, the bottom plate includes multiple routing layers, the analog signal bus and the power supply
Bus is located at different routing layers, the routing layer where the analog signal bus and the routing layer where the power bus it
Between include at least one shielded layer.
Optionally, in above-mentioned apparatus, the bottom plate includes multiple routing layers, and shielding is provided between different routing layers
Layer, the analog signal bus point multiple groups are set to different routing layers.
The another object of the application is to provide a kind of adapting system, interface board and the application including at least one type
The interconnecting device provided；The interface board includes:
The second plug-in unit for being electrically connected with first plug-in unit；
Outer connect port for what is be electrically connected with from other equipment；
It is connected to second plug-in unit and described outer even between port, for realizing the outer even port and described more
The conversion circuit of signal or electric energy conversion between group bus；
Wherein, the interface board for being inserted into first plug-in unit is electrically connected to each other by multiple groups bus.
In terms of existing technologies, the application has the advantages that
The embodiment of the present application provides a kind of interconnecting device and adapting system, makes insertion machine by the bus being arranged on bottom plate
The distinct interface plate of cage can interconnect, and bus signals be shared, so as to select different tests according to different actual demands
Platform pinboard forms adapting system, so that test platform is carried out more diversified test, and can make system under test (SUT) and survey
The connection tried between platform is more convenient.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1, Fig. 2 are the schematic diagram of interconnecting device provided by the embodiments of the present application；
Fig. 3 is one of the schematic diagram of bottom plate provided by the embodiments of the present application；
Fig. 4 is the schematic diagram of adapting system provided by the embodiments of the present application；
Fig. 5 is the schematic diagram of interface board provided by the embodiments of the present application；
Fig. 6 is multiple groups bus distribution schematic diagram provided by the embodiments of the present application；
Fig. 7 is the two of the schematic diagram of bottom plate provided by the embodiments of the present application；
Fig. 8 is bottom plate multilayered structure schematic diagram provided by the embodiments of the present application；
Fig. 9 is the circuit module schematic diagram of system under test (SUT) adaptation board provided by the embodiments of the present application.
Icon: 10- adapting system；100- interconnecting device；110- machine cage；120- bottom plate；The first plug-in unit of 121-；122-
Slot；123- metal backing；126- multiple groups bus；1261- analog signal bus；1262- power bus；128- shielded layer；
200- interface board；The second plug-in unit of 210-；Connect port outside 220-；230- conversion circuit.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments herein provided in the accompanying drawings is not intended to limit below claimed
Scope of the present application, but be merely representative of the selected embodiment of the application.Based on the embodiment in the application, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model of the application protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present application, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in this application.
Fig. 1 and Fig. 2 is please referred to, the present embodiment provides a kind of schematic diagram of interconnecting device 100, the interconnecting device 100 is main
It may include machine cage 110 and bottom plate 120.Machine cage 110 can be structure open at one end, form an accommodating cavity, bottom plate
120 can be set in the accommodating cavity body of machine cage 110, and towards the opening of machine cage 110.
Referring to figure 3., bottom plate 120 can be printed wiring board (Printed Circuit Board, PCB), bottom plate 120
On multiple groups bus 126 can be set, for example, multiple groups bus 126 may include multiple groups signal bus and multiple groups power bus etc.,
Multiple groups bus can be distributed in substantially in parallel on bottom plate 120.
Bottom plate 120 is also provided with multiple first plug-in units 121, and each first plug-in unit 121 may include more
A slot 122, each slot 122 and multiple groups signal bus in multiple slots 122 and appointing in multiple groups power bus 1262
It anticipates one and is electrically connected, the mutual electrical communication of slot 122 being connect with same bus.
Referring to figure 4., the present embodiment also provide with the matching used at least one style interface plate 200 of interconnecting device 100,
Interface board 200 may include the test platform pinboard of at least one type for connecting with test platform and be used for and be tested
The system under test (SUT) adaptation board of at least one type of system connection.Adapting system is collectively formed in interface board 200 and interconnecting device 100
10。
Referring to figure 5., interface board 200 can be pcb board, and the opposite both ends of interface board 200 are respectively arranged with the second grafting
Unit 210 and outer even port 220, the second plug-in unit 210, outer even port 220 and conversion circuit 230, the second plug-in unit 210
For being electrically connected with the first plug-in unit 121, outer even port 220 is electrically connected with from other equipment.Second plug-in unit 210 with
Outer even to be connected between port 220 by conversion circuit 230, conversion circuit 230 is for realizing the outer even port 220 and described more
Signal or electric energy conversion between group bus 126.
Interface board 200 can be inserted into machine cage 110 with the opening of slave cage 110, make the second plug-in unit 210 and the first grafting
Unit 121 connects.Second plug-in unit 210 may include multiple contact pins, and the contact pin of the second plug-in unit 210 is inserted into the first grafting
When the slot 122 of unit 121, circuit part corresponding with different contact pins is mounted to corresponding bus on conversion circuit 230.
In the present embodiment, the signal bus of interconnecting device 100 may include for realizing the mould between distinct interface plate 200
It is the shared analog signal bus of quasi- signal, total for realizing the shared digital signal of the digital signal between distinct interface plate 200
Line, for realizing clock sync signal share clock sync signal bus and for carrying out the host computer communicated with host computer
Communication bus etc..
System under test (SUT) or test platform can be connected by the signal port in various signal cables and outer even port 220
It connects, digital signal or analog signal are sent to by interface board 200 by signal port or obtain signal from interface board 200.Conversion
Circuit 230 can will be sent to after the signal conversion that port 220 receives outer even by the second plug-in unit 210 corresponding total
On line, or it is tested by being sent to after the signal conversion obtained from bus by the second plug-in unit 210 by outer even port 220
System or test platform.
Due to mounting to the interface board 200 on same signal bus the signal that can be shared on signal bus.By with survey
Platform pinboard to be tried to be connected, a test module of test platform can test signal to a test platform pinboard output,
It can be with from the test module of other test platform pinboards connection or the system under test (SUT) that is connect with different system under test (SUT) adaptation boards
The test signal is obtained by signal bus.In this way, not needed multiple in the case where having no need to change test platform own interfaces
Miscellaneous wiring processing is the public of signal resource.
In the present embodiment, the power bus of interconnecting device 100 may include multiple groups integrated drive generator bus and system power supply
Bus.System power supply bus is used to provide power supply for test platform, multiple groups for convey different voltages grade electric energy (such as ± 5V,
± 6.3V, ± 12.6V, ± 27V etc.) integrated drive generator bus be used to for different systems under test (SUT) provide electric energy.
The power supply that system under test (SUT) or test platform can also be connect by various power cables with test platform pinboard
Port connection from power port has obtained electric energy or by electrical energy transportation to power port.Conversion circuit 230 can will be total from power supply
The electric energy obtained on line is conveyed to test platform or system under test (SUT), or the electric energy that will be got from power port by power port
It is delivered to power bus.Different types of test platform pinboard can be used for providing different one or more power bus
Electric energy conversion be output to power port.
In one example, interconnecting device 100 itself may include converting electricity for carrying out the voltage of voltage class conversion
Road 230, the voltage conversion circuit 230 can convert externally input electric energy to test platform or system under test (SUT) required voltage
It is transported on power bus after grade.It in another example, may include dedicated for providing the confession of electric energy in interface board 200
Battery plate, the power supply board can be inputted with external electric energy and be connected, and converted test for externally input electric energy by the power supply board and put down
It is transported on power bus after platform or system under test (SUT) required voltage grade.Wherein, usual interconnecting device 100 or power supply board need
Electric energy just is provided to integrated drive generator bus in the normally functioning situation for providing electric energy to system power supply bus.
Different test platforms or system under test (SUT) needs operating voltage different, by selecting different interface boards 200
The electric energy of corresponding voltage class can be obtained from different power bus.In this way, can be embodied as by replacing interface board 200
Test platform or system under test (SUT) provide diversified electric energy supply, do not need additional electric energy converting equipment.
Compared to digital signal, analog signal is easier by electromagnetic interference.Optionally, in the present embodiment, in order to the greatest extent
Amount reduces the influence that generates to analog signal bus of power bus, when multiple groups bus 126 is arranged in parallel, analog signal bus and
The distance between power bus is greater than the distance between digital signal bus and analog signal bus.For example, Fig. 6 is please referred to, number
Word signal bus, clock sync signal bus, host computer communication bus are set to the analog signal bus and the power supply is total
Between line
Further, in the present embodiment, since the electromagnetic field of the higher generation of voltage is bigger, in order to be reduced as far as supplying
Electric bus is to analog signal bus, optionally, in the present embodiment, in multiple integrated drive generator buses, conveys the voltage of electric energy
The distance between higher ranked integrated drive generator bus and analog signal bus are greater than lower group of voltage class of conveying electric energy
Close the distance between power bus and analog signal bus.
In the present embodiment, analog signal bus is multiple groups, is respectively used to transmission different frequency analog signal.For difference
The analog signal of frequency, low-frequency analog signal are easier the interference by power bus compared to high frequency analog signals, therefore,
In this example, analog signal bus can be arranged as between the lower analog signal bus of frequency transmission signal and power bus
Distance be greater than the distance between the higher analog signal bus of frequency transmission signal and power bus.
Optionally, in the present embodiment, shielding construction can be covered on analog signal bus, which can be
The shielding case or gauze screen for covering analog signal bus and being grounded.
Optionally, Fig. 7 is please referred to, it in the present embodiment, can also be in the multiple slots 122 being connect with analog signal bus
It is covered with shielding construction, which can be the metal backing 123 of ground connection.
Optionally, Fig. 8 is please referred to, in the present embodiment, bottom plate 120 can be multi-layer PCB board, including multiple routing layers.
Analog signal bus 1261 can be located at different routing layers from power bus 1262, the cabling where analog signal bus 1261
It include at least one shielded layer 128 between routing layer where layer and power bus 1262.In this way, by the production of power bus 1262
Raw electromagnetic interference can be shielded by shielded layer 128, to not interfere with the signal transmission on analog signal bus 1261.
Optionally, in the present embodiment, analog signal bus may include multiple groups, in order to prevent different analog signal bus
Between interfering with each other (especially between analog signal bus similar in frequency transmission signal), bottom plate 120 in the present embodiment
It can be multi-layer PCB board, including multiple routing layers.The different analog signal bus of multiple groups is respectively arranged at different routing layers,
Shielded layer is provided between different routing layers.
Optionally, in the present embodiment, the first plug-in unit 121 is provided with overcurrent guarantor with power bus connected slot 122
Protecting assembly.The overcurrent protection assemble can be fuse, fuse etc., to prevent from powering in test platform pinboard short circuit
Cause high current to rush other test platform pinboards in bus to cause to impact.
Optionally, in the present embodiment, it can be set on machine cage 110 for guiding test platform pinboard to be inserted into first
The guide rail of plug-in unit 121, so that test platform pinboard can be connect from correct position with the first plug-in unit 121.Machine
The fixation kit for fixing the test platform pinboard is also provided on cage 110, to guarantee that test platform pinboard exists
It is stably connected in use process with the first plug-in unit 121.
Optionally, in the present embodiment, the clock sync signal bus on bottom plate 120 can also connect with signal increasing circuitry
It connects, signal amplification electricity circuit is used to enhance the signal strength in the clock sync signal bus.
Optionally, in the present embodiment, interface board 200 can also include for all kinds of analog signals needed for generating test
The signal of (such as 24MHz intermediate-freuqncy signal) generates and processing board.
The interface type of the different test module use of test platform, interface quantity are different, and the letter of offer or demand
Number type and quantity are various.In the present embodiment, a plurality of types of test platform pinboards are provided, for different test moulds
Block can select corresponding test platform pinboard to carry out signal conversion.Using test platform as American National instrument (National
Instruments, NI) company PXI test platform for, NI PXI platform may include can select test platform switching
Plate is as shown in the table.
Fig. 9 is please referred to, Fig. 9 shows block combiner and provided in this embodiment turn for a kind of NI PXI test platform
Connect the connection relationship diagram of equipment 100.Wherein, signal generates and processing board is used to generate test analog signal used.It surveys
Examination platform pinboard B can export clock to bottom plate 120 and synchronization signal, unified clock and synchronization signal are conducive to multiple quilts
The synchronous working and signal detection of examining system adaptation board work；Test platform pinboard B can also provide host computer and host computer
Signal connection between communication bus, communicates main control computer (NI PXI8106) always by host computer as host computer
Line controls the work shape of each external equipment through other test platform pinboards, the system under test (SUT) adaptation board etc. in adapting system 10
State monitors and extracts the information etc. of each external equipment.Test platform pinboard E is used for multi-path digital signal bus and logic point
Analyzer (NI PXI6541) is connected, by digital signal bus can input to system under test (SUT), output signal observe
And detection, analyze the working condition of system under test (SUT).Test platform pinboard A can send the signal on analog signal bus 1261
It is observed to oscillograph (NI PXI5124).
System under test (SUT) is usually the class signal of the combination of a variety of electronic building bricks or electronic equipment, various combination demand or offer
Type and quantity are also different, need different to design according to different characteristics of signals (analog intermediate frequency signal and digital signal)
System under test (SUT) adaptation board, system under test (SUT) adaptation board usually require to meet following functions:
(1) power supply, digital signal, the clock on bottom plate 120 are selectively synchronized etc. by signals according to system under test (SUT) demand
Resource is put together, and the cable interface form for being converted into system under test (SUT) demand is supplied to system under test (SUT), to reduce Adapter Cable
Complexity and cable quantity.
(2) level conversion is carried out to signal, to meet system under test (SUT) need of work, such as increases output driving and short circuit guarantor
The functions such as shield, prevent from causing equipment damage due to short circuit.
(3) working state controlling circuit is set to obtain on system under test (SUT) adaptation board, is generated one needed for system under test (SUT) work
A little fixed signals and quantity of state reduce the resource occupation and inspection software of test platform to reduce the dependence to test platform
Design uses complexity.
Fig. 8 is please referred to, the substantially circuit design of system under test (SUT) adaptation board uses cpu chip+fpga chip form,
In, cpu chip is responsible for being communicated with main control computer, receives the control instruction of main control computer, controls the work shape of plug-in unit
State.All kinds of time sequence status signals needed for fpga chip generates and control system under test (SUT) work according to control instruction, drive through signal
Circuit output is moved to motivate system under test (SUT) to work.Power supply needed for system under test (SUT) work arrives height through the bottom plate 120 of adapting system 10
Density connector enters system under test (SUT) adaptation board, and system under test (SUT) adaptation board is monitored to electric energy is obtained, electric energy and pumping signal
System under test (SUT) is input in the form of system under test (SUT) demand from output interface.The signal exported from system under test (SUT) send tested through cable
It after system adaptation plate, is acquired and is detected by FPGA internal circuit, and will test result and send through cpu chip to upper calculating
Machine, system under test (SUT) output signal can also be sent to logic analyser through data-interface and be observed.
In conclusion the embodiment of the present application provides a kind of interconnecting device and adapting system, it is total by what is be arranged on bottom plate
Line interconnects the different test platform pinboards of insertion machine cage, bus signals is shared, so as to according to different reality
Demand selects different test platform pinboards to form adapting system, and test platform is allow to carry out more diversified test, and
And the connection between system under test (SUT) and test platform can be made more convenient.
In addition, each functional module in each embodiment of the application can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above, the only various embodiments of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.
Claims (10)
1. a kind of interconnecting device, which is characterized in that the interconnecting device includes machine cage open at one end and is set to the machine cage
It is internal and towards the bottom plate of the opening；
Multiple groups bus is provided on the bottom plate, the multiple groups bus includes analog signal bus, digital signal bus and power supply
Bus；
Multiple the first plug-in units for being electrically connected with interface board, first plug-in unit court are additionally provided on the bottom plate
To the opening of the machine cage；First plug-in unit includes multiple slots, each slot in the multiple slot with it is described
Any one electrical connection in analog signal bus, digital signal bus and power bus.
2. interconnecting device according to claim 1, which is characterized in that the power bus and the analog signal bus it
Between distance be greater than the distance between the digital signal bus and the analog signal bus.
3. interconnecting device according to claim 1 or 2, which is characterized in that the power bus include voltage class respectively not
Identical multiple integrated drive generator buses, in the multiple integrated drive generator bus, the higher integrated drive generator bus of voltage class and institute
The distance between analog signal bus is stated to be greater than between the lower integrated drive generator bus of voltage class and the analog signal bus
Distance.
4. interconnecting device according to claim 3, which is characterized in that the multiple groups bus further includes that clock sync signal is total
Line, host computer communication bus, the digital signal bus, clock sync signal bus, host computer communication bus are set to described
Between analog signal bus and the power bus.
5. interconnecting device according to claim 1 or 2, which is characterized in that the analog signal bus is multiple groups, is used respectively
In transmission different frequency analog signal；The distance between the lower analog signal bus of frequency transmission signal and the power bus
Greater than the distance between the higher analog signal bus of frequency transmission signal and power bus.
6. interconnecting device according to claim 1 or 2, which is characterized in that be covered with shielding on the analog signal bus
Structure.
7. interconnecting device according to claim 1 or 2, which is characterized in that connect with the analog signal bus multiple
Slot is covered with shielding construction.
8. interconnecting device according to claim 1, which is characterized in that the bottom plate includes multiple routing layers, the simulation
Signal bus is located at different routing layers from the power bus, the routing layer where the analog signal bus and the power supply
It include at least one shielded layer between routing layer where bus.
9. interconnecting device according to claim 1, which is characterized in that the bottom plate includes multiple routing layers, different cablings
It is provided with shielded layer between layer, the analog signal bus point multiple groups are set to different routing layers.
10. a kind of adapting system, which is characterized in that any one in interface board and claim 1-9 including at least one type
Interconnecting device described in；The interface board includes:
The second plug-in unit for being electrically connected with first plug-in unit；
Outer connect port for what is be electrically connected with from other equipment；
It is connected between second plug-in unit and the outer even port, it is total for realizing outer even port and the multiple groups
The conversion circuit of signal or electric energy conversion between line；
Wherein, the interface board for being inserted into first plug-in unit is electrically connected to each other by multiple groups bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132791.XU CN209215442U (en) | 2018-12-18 | 2018-12-18 | Interconnecting device and adapting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822132791.XU CN209215442U (en) | 2018-12-18 | 2018-12-18 | Interconnecting device and adapting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209215442U true CN209215442U (en) | 2019-08-06 |
Family
ID=67465222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822132791.XU Expired - Fee Related CN209215442U (en) | 2018-12-18 | 2018-12-18 | Interconnecting device and adapting system |
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| Country | Link |
|---|---|
| CN (1) | CN209215442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850128A (en) * | 2019-11-11 | 2020-02-28 | 中国人民解放军海军工程大学 | On-site automatic test system bus for marine instrument |
| CN110971493A (en) * | 2019-12-23 | 2020-04-07 | 中国航空工业集团公司沈阳飞机设计研究所 | Signal testing method and device for airborne 1394B bus |
-
2018
- 2018-12-18 CN CN201822132791.XU patent/CN209215442U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110850128A (en) * | 2019-11-11 | 2020-02-28 | 中国人民解放军海军工程大学 | On-site automatic test system bus for marine instrument |
| CN110971493A (en) * | 2019-12-23 | 2020-04-07 | 中国航空工业集团公司沈阳飞机设计研究所 | Signal testing method and device for airborne 1394B bus |
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Granted publication date: 20190806 Termination date: 20191218 |